<div class="doc-item" id="doc-751"><h2 class="doc-item-name">defstream<span class="namespace">(clojure.contrib.stream-utils)</span></h2><p class="macro">Macro</p><ul class="var-arglists"><li>(<span class="var-name">defstream</span> type-tag args &amp; body)</li></ul><div class="var-docstring"><p>Define object of the given type as a stream whose implementation
   of stream-next is defined by args and body. This macro adds
   a type-specific method for stream-next and derives type
   from stream-type.</p></div><div class="var-source"><pre>; clojure/contrib/stream_utils.clj:72
(defmacro defstream
  [type-tag args &amp; body]
  `(do
     (derive ~type-tag stream-type)
     (defmethod stream-next ~type-tag ~args ~@body)))</pre></div><div class="license"><p>Copyright (c) Rich Hickey. All rights reserved.</p><p>The use and distribution terms for this software are covered by the <a href="http://opensource.org/licenses/eclipse-1.0.php">Eclipse Public License 1.0</a>, which can be found in the file
          epl-v10.html at the root of this distribution. By using this software
          in any fashion, you are agreeing to be bound by the terms of this
          license. You must not remove this notice, or any other, from this
          software.</p></div></div>